Number of pieces:20 Batteries Required?:No Material Type(s):Plastic Colour:Green Feature: Wide applicationThe dice set are suitable for classroom accessories, home teaching and math learning, it can also be applied to parties or playing with friends at home or at school with classmates indoors.Suitable for early childhood education, development of children intelligence with strong practicality. Corrosion Resistant PlasticMade of excellent plastic material, has a long service life,has strong corrosion resistance, durable, waterproof, light weight. Easy to readThe numbers on the surface of the dice are engraved,each surface of the multi-faceted dice is printed with clear numbers, and the numbers do not wear out and are durable. 20Pcs In TotalThe package contain a total of 20pcs number dice, enough for you to replace and use, very convenient. Size of the diceThe dice size are 0.6 x 0.6 x 0.6in, compact size make it convenient for you to carry. Specification: Item Type: Number Dice Product Material: Plastic Dice Size: Approx. 1.6 x 1.6 x 1.6cm / 0.6 x 0.6 x 0.6in Application: Suitable for board games and number teaching scenes Package List: 20 x Dice Note: 1. Please allow 13mm error for manual measurement, thank you!2. Due to the difference between different monitors, the pictures may not reflect the actual color of the items.3. Children under 6 years old should use it under the care of their parents. About this item Wide applicationThe dice set are suitable for classroom accessories, home teaching and math learning, it can also be applied to parties or playing with friends at home or at school with classmates indoors.Suitable for early childhood education, development of children intelligence with strong practicality. Corrosion Resistant PlasticMade of excellent plastic material, has a long service life,has strong corrosion resistance, durable, waterproof, light weight. Easy to readThe numbers on the surface of the dice are engraved,each surface of the multi-faceted dice is printed with clear numbers, and the numbers do not wear out and are durable. 20Pcs In TotalThe package contain a total of 20pcs number dice, enough for you to replace and use, very convenient. Size of the diceThe dice size are 0.6 x 0.6 x 0.6in, compact size make it convenient for you to carry. See more product details Wide applicationThe dice set are suitable for classroom accessories, home teaching and math learning, it can also be applied to parties or playing with friends at home or at school with classmates indoors.Suitable for early childhood education, development of children intelligence with strong practicality. Corrosion Resistant PlasticMade of excellent plastic material, has a long service life,has strong corrosion resistance, durable, waterproof, light weight. Easy to readThe numbers on the surface of the dice are engraved,each surface of the multi-faceted dice is printed with clear numbers, and the numbers do not wear out and are durable. 20Pcs In TotalThe package contain a total of 20pcs number dice, enough for you to replace and use, very convenient. Size of the diceThe dice size are 0.6 x 0.6 x 0.6in, compact size make it convenient for you to carry.